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| author | Gaurav Singh <[email protected]> | 2020-06-12 18:53:27 +0000 |
|---|---|---|
| committer | Daniel Borkmann <[email protected]> | 2020-06-16 12:55:35 +0000 |
| commit | 6903cdae9f9f08d61e49c16cbef11c293e33a615 (patch) | |
| tree | 45ae1c002cf32dd421cb5dce9223d9d3b495086c /tools/testing/selftests/bpf/progs/test_autoload.c | |
| parent | tools/bpftool: Add ringbuf map to a list of known map types (diff) | |
| download | kernel-6903cdae9f9f08d61e49c16cbef11c293e33a615.tar.gz kernel-6903cdae9f9f08d61e49c16cbef11c293e33a615.zip | |
bpf, xdp, samples: Fix null pointer dereference in *_user code
Memset on the pointer right after malloc can cause a NULL pointer
deference if it failed to allocate memory. A simple fix is to
replace malloc()/memset() pair with a simple call to calloc().
Fixes: 0fca931a6f21 ("samples/bpf: program demonstrating access to xdp_rxq_info")
Signed-off-by: Gaurav Singh <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Acked-by: Jesper Dangaard Brouer <[email protected]>
Acked-by: John Fastabend <[email protected]>
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_autoload.c')
0 files changed, 0 insertions, 0 deletions